/*
 * Copyright 2006-2008 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.easyjf.web.tools;

import java.security.Principal;
public class CurrentUser {
	private static ThreadLocal currentUser = new CurrentUserThreadLocal();	
	public static void setCurrnetUser(Principal user)
	{	
		currentUser.set(user);	
	}	
	public static Principal getCurrentUser() {
		Principal user=(Principal)currentUser.get();
		return user;
	}
	private static class CurrentUserThreadLocal extends ThreadLocal {
		protected synchronized Object initialValue() {
			return  null;
		}
	}
}
